sc1146csw.tr Semtech Corporation, sc1146csw.tr Datasheet - Page 2

• Manufacturer Part Number: sc1146csw.tr
• Description: Vrm9.0 Programmable, Multi-phase, High Performance Pwm Controller
• Manufacturer: Semtech Corporation

July 25, 2000
ABSOLUTE MAXIMUM RATINGS
Parameter
V
FBG to GND
V
Operating Temperature Range
Junction Temperature Range
Storage Temperature Range
Thermal Resistance Junction to Case
Thermal Resistance Junction to Ambient
Lead Temperature (Soldering) 10 sec
ELECTRICAL CHARACTERISTICS
Unless otherwise noted: T
PARAMETER
Supply Voltage Range
UVLO Range
UVLO Hystersis
Supply Voltage Range
Supply Current
Supply Current
Reference Current Pin Voltage
VID0-4 Clock Select & Divide
Select Logic Threshold
VID0-4 Clock Select & Divide
Select Input Bias Current
Enable Pin
Maximum Duty Cycle
DRV0-3 Output Voltage
DRV0-3 Source Current
DRV0-3 Sink Current
The SC1146 is patent pending
© 2000 SEMTECH CORP.
CC5V
CC2
to GND
to GND
A
= 25 C, V
SYMBOL
V
V
V
V
D
V
V
V
V
V
V
V
V
I
V
I
I
I
CC5V
CC5V
CC5V
CC5V
SRC
SNK
INH
INL
MAX
CC 5V
CC2
CC2
REF
INH
INH
INL
INL
OH
OL
= 5V, V
VRM9.0 PROGRAMMABLE, MULTI-PHASE,
HIGH PERFORMANCE PWM CONTROLLER
I
source
CC2
= 1mA, PWRGOOD = V
V
DRV Outputs open
= 5V, 4-Phase operation.
OUT
CONDITIONS
Vid0-4 = 4.5V
V
V
Iref = 250µA
Vid0-4 = 0V
Logic High
OUT
OUT
Logic Low
I
= 2.00V, I
sink
FB = 0V
= 1mA
= 2.00V
= 2.00V
652 MITCHELL ROAD NEWBURY PARK CA 91320
O
= 0
Symbol
T
cc5v
FBG
V
T
V
T
T
LEAD
STG
cc5v
cc2
JC
JA
A
J
V
MIN
CC2
3.9
3.9
4.5
2
2
-1
-0.3 to + 12
-55 to +150
-0.3 to +20
TYP
TBD
2.05
0 to +125
5.0
5.0
5.0
0 to +70
10
75
40
20
Limits
300
± 1
25
80
MAX
15.0
+50
6.0
5.5
0.8
-20
40
.8
.3
SC1146
UNITS
Units
°C/W
°C/W
mV
mA
mA
mA
mA
°C
°C
°C
°C
µA
µA
V
V
V
%
V
V
V
V
V
V
V
V
V
V
2